/Engine/Source/Runtime/GameplayTags/Classes/GameplayTagsManager.h
Splits a tag such as x.y.z into an array of names {x,y,z}
void SplitGameplayTagFName ( const [FGameplayTag](API\Runtime\GameplayTags\FGameplayTag) & Tag, [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > & OutNames ) const